Karlsruhe School of Elementary Particle and Astroparticle Physics: Science and Technology (KSETA)

Nils Braun

Tracking and High-Level-Reconstruction for the Belle II Experiment


Institute: ETP
Room: 9-22 in building 30.32
Phone: 0721/608-43418
Email: Nils.Braun@kit.edu
Advisor: Prof. Dr. Michael Feindt, Prof. Dr. Florian Bernlochner
Advising Postdocs: Dr. Thomas Hauth, Martin Heck


Title Thesis Link
Simulation of the Radiation of Electrons passing through a Cylindrical Undulator Bachelors Thesis
Momentum Estimation of Slow Pions and Improvements on the Track Finding in the Central Drift Chamber for the Belle II Experiment Masters Thesis
Combinatorial Kalman Filter and High Level Trigger Reconstruction for the Belle II Experiment PhD Thesis (21.12.2018)

Peer-reviewed Publications

Authors Title Journal
A. Bernhard, N. Braun, V. A. Rodríguez, P. Peiffer, R. Rossmanith, C. Widmann, and M. Scheer Radiation emitted by transverse-gradient undulators Physical Review Accelerators and Beams 19 no. 9, (Sep, 2016) 090704. link
N. Braun, D. Dossett, M. Dramburg, O. Frost, A. Gellrich, J. Grygier, T. Hauth, D. Jahnke-Zumbusch, D. Knittel, T. Kuhr, S. Levonian, H.-G. Moser, L. Li, N. Nakao, M. Prim, P. v. d. Reest, F. Schwenssen, P. Urquijo, and B. Vennemann Migrating the Belle II collaborative services and tools Journal of Physics: Conference Series 898 no. 10, (Oct, 2017) 102014. link
N. Braun, T. Hauth, C. Pulvermacher, and M. Ritter An Interactive and Comprehensive Working Environment for High-Energy Physics Software with Python and Jupyter Notebooks Journal of Physics: Conference Series 898 no. 7, (Oct, 2017) 072020. link
T. Bilka, N. Braun, G. Casarosa, O. Frost, R. Frühwirth, T. Hauth, M. Heck, J. Kandra, P. Kodys, P. Kvasnicka, J. Lettenbichler, T. Lück, T. Madlener, F. Metzner, M. Nadler, B. Oberhof, E. Paoloni, M. Prim, M. Ritter, T. Schlüter, M. Schnell, B. Spruck, V. Trusov, J. Wagner, C. Wessel, and M. Ziegler The track finding algorithm of the Belle II vertex detectors EPJ Web of Conferences 150 (Aug, 2017) 00007. link
S. Amrouche, N. Braun, P. Calafiura, S. Farrell, J. Gemmler, C. Germain, V. V. Gligorov, T. Golling, H. Gray, I. Guyon, M. Hushchyn, V. Innocente, B. Kégl, S. Neuhaus, D. Rousseau, A. Salzburger, A. Ustyuzhanin, J.-R. Vlimant, C. Wessel, and Y. Yilmaz Track reconstruction at LHC as a collaborative data challenge use case with RAMP EPJ Web of Conferences 150 (Aug, 2017) 00015. link
M. Christ, N. Braun, J. Neuffer, and A. W. Kempa-Liehr Time Series FeatuRe Extraction on basis of Scalable Hypothesis tests (tsfresh - A Python package) Neurocomputing (May, 2018). link
T. Kuhr, C. Pulvermacher, M. Ritter, T. Hauth, and N. Braun The Belle II Core Software Computing and Software for Big Science 3 no. 1, (Dec, 2019) link

Other Conference Proceedings

Authors Title Journal
C. Widmann, V. A. Rodriguez, A. Bernhard, N. Braun, M. Nicolai, P. Peiffer, M. Reuter, T. Rinck, R. Rossmanith, M. Scheer, W. Werner, T. Baumbach, and M. C. Kaluza Non-Linear Beam Transport Optics for a Laser Wakefield Accelerator Proceedings of IPAC2013, Shanghai, China. 2013. link
C. Widmann, V. Afonso Rodriguez, M. Reuter, A. Sävert, A. Papash, M. Nicolai, N. Braun, R. Rossmanith, A. Bernhard, A.-S. Müller, W. Werner, and M. Kaluza Beam Transport System from a Laser Wakefield Accelerator to a Transverse Gradient Undulator Proceedings of IPAC2014, Shanghai, China, p. THOBA03. 2014. link
M. Falkenthal, U. Breitenbücher, K. Képes, F. Leymann, M. Zimmermann, M. Christ, J. Neuffer, N. Braun, and A. W. Kempa-Liehr OpenTOSCA for the 4th Industrial Revolution Proceedings of the 6th International Conference on the Internet of Things - IoT16, pp. 179-180. ACM Press, New York, New York, USA, 2016. link

Conferences and (selected) Talks

Title Conference Date
Simulation der Strahlung von Elektronen in einem zylindrischen TG-Undulator DPG-Frühjahrestagung Dresden 30.03 - 04.04.2014
Qualitätssicherung für die Spurrekonstruktion am Belle II-Experiment DPG-Frühjahrestagung Wuppertal 09.03. - 13.03.2015
Spurrekonstruktion mithilfe multivariater Methoden am Belle II-Experiment DPG-Frühjahrestagung Hamburg 29.02. - 04.03.2016
Level3 and HLT performance 24. Belle II General Meeting 20.06. - 24.06.2016
Fast and reliable Tracking for the High-Level-Trigger at Belle II Connecting The Dots / Intelligent Trackers 2017 06.03. - 09.03.2017
Entwicklung und Studie des softwaregestützten High-Level-Triggers für das Belle II Experiment DPG-Frühjahrestagung Münster 27.03. - 31.03.2017
Hadron Spectroscopy studies at Belle II International Symposium on Multiparticle Dynamics (ISMD 2017) 11.09. - 15.09.2017
Time series feature extraction with tsfresh PyCon.DE 2017 25.10. - 29.10.2017
Tracking Algorithms in the Belle II Drift Chambe Connecting The Dots / Intelligent Trackers 2018